Commit 3231fc88 authored by Rajendra Nayak's avatar Rajendra Nayak Committed by Kevin Hilman
Browse files

OMAP3: PM: restore SRAM functions after off-mode. 



Generalize the copy of SRAM functions into omap_push_sram_idle()
so it can be used on init but also after off-mode transitions.

Signed-off-by: default avatarRajendra Nayak <rnayak@ti.com>
Signed-off-by: default avatarKevin Hilman <khilman@deeprootsystems.com>
parent c96631e1

arch/arm/mach-omap2/pm34xx.c

+7 −3
Original line number Diff line number Diff line
@@ -749,6 +749,12 @@ static int __init clkdms_setup(struct clockdomain *clkdm, void *unused) 
	return 0;

}



void omap_push_sram_idle(void)

{

	_omap_sram_idle = omap_sram_push(omap34xx_cpu_suspend,

					omap34xx_cpu_suspend_sz);

}



static int __init omap3_pm_init(void)

{

	struct power_state *pwrst, *tmp;
@@ -786,9 +792,7 @@ static int __init omap3_pm_init(void) 
		goto err2;

	}



	_omap_sram_idle = omap_sram_push(omap34xx_cpu_suspend,

					 omap34xx_cpu_suspend_sz);



	omap_push_sram_idle();

#ifdef CONFIG_SUSPEND

	suspend_set_ops(&omap_pm_ops);

#endif /* CONFIG_SUSPEND */

arch/arm/plat-omap/include/plat/sram.h

+6 −0
Original line number Diff line number Diff line
@@ -68,4 +68,10 @@ extern u32 omap3_sram_configure_core_dpll( 
			u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);

extern unsigned long omap3_sram_configure_core_dpll_sz;



#ifdef CONFIG_PM

extern void omap_push_sram_idle(void);

#else

static inline void omap_push_sram_idle(void) {}

#endif /* CONFIG_PM */



#endif

arch/arm/plat-omap/sram.c

+5 −3
Original line number Diff line number Diff line
@@ -396,22 +396,24 @@ u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc, 
			sdrc_actim_ctrl_b_1, sdrc_mr_1);

}



/* REVISIT: Should this be same as omap34xx_sram_init() after off-idle? */

void restore_sram_functions(void)

#ifdef CONFIG_PM

void omap3_sram_restore_context(void)

{

	omap_sram_ceil = omap_sram_base + omap_sram_size;



	_omap3_sram_configure_core_dpll =

		omap_sram_push(omap3_sram_configure_core_dpll,

			       omap3_sram_configure_core_dpll_sz);

	omap_push_sram_idle();

}

#endif /* CONFIG_PM */



int __init omap34xx_sram_init(void)

{

	_omap3_sram_configure_core_dpll =

		omap_sram_push(omap3_sram_configure_core_dpll,

			       omap3_sram_configure_core_dpll_sz);



	omap_push_sram_idle();

	return 0;

}

#else

CRA Git | Maintained and supported by SUSTech CRA and CCSE